* FILE: rfsd.h
* PURPOSE: Header file: rfsd structures.
* PROGRAMMER: Mark Piper, Matt Wu, Bo Brantén.
- * HOMEPAGE:
- * UPDATE HISTORY:
+ * HOMEPAGE:
+ * UPDATE HISTORY:
*/
#ifndef _RFSD_HEADER_
typedef struct reiserfs_de_head RFSD_DENTRY_HEAD, *PRFSD_DENTRY_HEAD; // [mark]
typedef struct item_head RFSD_ITEM_HEAD, *PRFSD_ITEM_HEAD; // [mark]
typedef struct reiserfs_key RFSD_KEY_ON_DISK, *PRFSD_KEY_ON_DISK;
-typedef struct reiserfs_cpu_key RFSD_KEY_IN_MEMORY, *PRFSD_KEY_IN_MEMORY;
-typedef struct disk_child RFSD_DISK_NODE_REF, *PRFSD_DISK_NODE_REF;
+typedef struct reiserfs_cpu_key RFSD_KEY_IN_MEMORY, *PRFSD_KEY_IN_MEMORY;
+typedef struct disk_child RFSD_DISK_NODE_REF, *PRFSD_DISK_NODE_REF;
#define RFSD_NAME_LEN 255 /// Default length of buffers for filenames (although filenames may be longer)
//
typedef struct _RFSD_GLOBAL {
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
-
+
// Syncronization primitive for this structure
ERESOURCE Resource;
// Syncronization primitive for LookAside Lists
ERESOURCE LAResource;
-
+
// Table of pointers to the fast I/O entry points
FAST_IO_DISPATCH FastIoDispatch;
-
+
// Table of pointers to the Cache Manager callbacks
CACHE_MANAGER_CALLBACKS CacheManagerCallbacks;
CACHE_MANAGER_CALLBACKS CacheManagerNoOpCallbacks;
-
+
// Pointer to the driver object
PDRIVER_OBJECT DriverObject;
-
+
// Pointer to the main device object
PDEVICE_OBJECT DeviceObject;
-
+
// List of mounted volumes
LIST_ENTRY VcbList;
// IRP_MJ_CLOSE : FCB
USHORT IRPCloseCount;
#endif
-
+
// Global flags for the driver
ULONG Flags;
UCHAR AnsiName[CODEPAGE_MAXLEN];
struct nls_table * PageTable;
} CodePage;
-
+
} RFSD_GLOBAL, *PRFSD_GLOBAL;
#define PAGE_TABLE RfsdGlobal->CodePage.PageTable
typedef struct _RFSD_FCBVCB {
-
+
// FCB header required by NT
FSRTL_COMMON_FCB_HEADER CommonFCBHeader;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
} RFSD_FCBVCB, *PRFSD_FCBVCB;
// It is allocated as the device extension of the volume device object
//
typedef struct _RFSD_VCB {
-
+
// FCB header required by NT
// The VCB is also used as an FCB for file objects
// that represents the volume itself
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
-
+
LIST_ENTRY Next;
-
+
// Share Access for the file object
SHARE_ACCESS ShareAccess;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLEANUP
// for files on this volume.
ULONG OpenFileHandleCount;
-
+
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLOSE
// for both files on this volume and open instances of the
// volume itself.
//
ULONG ChangeCount;
-
+
// Pointer to the VPB in the target device object
PVPB Vpb;
// Pointer to syncronization primitive for this list
PNOTIFY_SYNC NotifySync;
-
+
// This volumes device object
PDEVICE_OBJECT DeviceObject;
-
+
// The physical device object (the disk)
PDEVICE_OBJECT TargetDeviceObject;
// The physical device object (the disk)
PDEVICE_OBJECT RealDevice;
-
+
// Information about the physical device object
DISK_GEOMETRY DiskGeometry;
PARTITION_INFORMATION PartitionInformation;
-
+
PRFSD_SUPER_BLOCK SuperBlock;
PVOID GroupDesc; // (NOTE: unused in ReiserFS, but preserved in order to minimize changes to existing code)
// PVOID GroupDescBcb;
// Sector size in bits (NOTE: unused in ReiserFS)
//ULONG SectorBits;
-
+
ULONG dwData[RFSD_BLOCK_TYPES];
ULONG dwMeta[RFSD_BLOCK_TYPES];
// Entry of Mcb Tree (Root Node)
PRFSD_MCB McbTree;
LIST_ENTRY McbList;
-
+
} RFSD_VCB, *PRFSD_VCB;
//
// There is a single instance of the FCB for every open file
//
typedef struct _RFSD_FCB {
-
+
// FCB header required by NT
FSRTL_COMMON_FCB_HEADER Header;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
-
+
// List of FCBs for this volume
LIST_ENTRY Next;
-
+
// Share Access for the file object
SHARE_ACCESS ShareAccess;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLEANUP
ULONG OpenHandleCount;
-
+
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLOSE
ULONG ReferenceCount;
// Flags for the FCB
ULONG Flags;
-
+
// Pointer to the inode / stat data structure
PRFSD_INODE Inode;
// Hint block for next allocation
ULONG BlkHint;
-
+
// Vcb
PRFSD_VCB Vcb;
#if DBG
// The Ansi Filename for debugging
- OEM_STRING AnsiFileName;
+ OEM_STRING AnsiFileName;
#endif
// There is one instance of the CCB for every instance of an open file
//
typedef struct _RFSD_CCB {
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
// Flags
ULONG Flags;
-
+
// State that may need to be maintained
ULONG CurrentByteOffset;
USHORT deh_location;
UNICODE_STRING DirectorySearchPattern;
-
+
} RFSD_CCB, *PRFSD_CCB;
//
// Used to pass information about a request between the drivers functions
//
typedef struct _RFSD_IRP_CONTEXT {
-
+
// Identifier for this structure
RFSD_IDENTIFIER Identifier;
-
+
// Pointer to the IRP this request describes
PIRP Irp;
// Flags
ULONG Flags;
-
+
// The major and minor function code for the request
UCHAR MajorFunction;
UCHAR MinorFunction;
-
+
// The device object
PDEVICE_OBJECT DeviceObject;
PRFSD_FCB Fcb;
PRFSD_CCB Ccb;
-
+
// If the request is synchronous (we are allowed to block)
BOOLEAN IsSynchronous;
-
+
// If the request is top level
BOOLEAN IsTopLevel;
-
+
// Used if the request needs to be queued for later processing
WORK_QUEUE_ITEM WorkQueueItem;
-
+
// If an exception is currently in progress
BOOLEAN ExceptionInProgress;
-
+
// The exception code when an exception is in progress
NTSTATUS ExceptionCode;
// Repinned BCBs List
RFSD_REPINNED_BCBS Repinned;
-
+
} RFSD_IRP_CONTEXT, *PRFSD_IRP_CONTEXT;
IN PRFSD_VCB Vcb,
IN PRFSD_KEY_IN_MEMORY pItemKey, // The key of the item to find
OUT PRFSD_ITEM_HEAD* ppMatchingItemHeader,
- OUT PUCHAR* ppItemBuffer,
+ OUT PUCHAR* ppItemBuffer,
OUT PUCHAR* ppBlockBuffer, // Block buffer, which backs the other output data structures. The caller must free this (even in the case of an error)!
OUT PULONG pBlockNumber, // The ordinal disk block number at which the item was found
IN RFSD_KEY_COMPARISON (*fpComparisonFunction)(PRFSD_KEY_IN_MEMORY, PRFSD_KEY_IN_MEMORY)
IN PVOID Buffer,
IN BOOLEAN bVerify );
-NTSTATUS
+NTSTATUS
RfsdDiskIoControl (
IN PDEVICE_OBJECT DeviceOjbect,
IN ULONG IoctlCode,
NTSTATUS
RfsdCreateVolume(
- IN PRFSD_IRP_CONTEXT IrpContext,
+ IN PRFSD_IRP_CONTEXT IrpContext,
IN PRFSD_VCB Vcb );
NTSTATUS
(PUCHAR) PsGetCurrentProcess() + ProcessNameOffset \
)
-ULONG
+ULONG
RfsdGetProcessNameOffset (VOID);
VOID
);
NTSTATUS
-RfsdBuildBDL2(
+RfsdBuildBDL2(
IN PRFSD_VCB Vcb,
IN PRFSD_KEY_IN_MEMORY pKey,
IN PRFSD_INODE pInode,
OUT PRFSD_BDL* out_ppBdl );
NTSTATUS
-RfsdBuildBDL(
+RfsdBuildBDL(
IN PRFSD_IRP_CONTEXT IrpContext,
IN PRFSD_VCB Vcb,
IN PRFSD_KEY_IN_MEMORY InodeNo,
IN PRFSD_INODE Inode,
- IN ULONGLONG Offset,
- IN ULONG Size,
+ IN ULONGLONG Offset,
+ IN ULONG Size,
IN BOOLEAN bAlloc,
OUT PRFSD_BDL * Bdls,
OUT PULONG Count
PRFSD_IRP_CONTEXT IrpContext,
PRFSD_VCB Vcb,
ULONG GroupHint,
- ULONG BlockHint,
+ ULONG BlockHint,
PULONG dwRet );
NTSTATUS
void
FillInMemoryKey(
- IN PRFSD_KEY_ON_DISK pKeyOnDisk,
- IN RFSD_KEY_VERSION KeyVersion,
+ IN PRFSD_KEY_ON_DISK pKeyOnDisk,
+ IN RFSD_KEY_VERSION KeyVersion,
IN OUT PRFSD_KEY_IN_MEMORY pKeyInMemory );
RFSD_KEY_VERSION DetermineOnDiskKeyFormat(const PRFSD_KEY_ON_DISK key);
NTSTATUS
NavigateToLeafNode(
IN PRFSD_VCB Vcb,
- IN PRFSD_KEY_IN_MEMORY Key,
- IN ULONG StartingBlockNumber,
+ IN PRFSD_KEY_IN_MEMORY Key,
+ IN ULONG StartingBlockNumber,
OUT PULONG out_NextBlockNumber );
NTSTATUS
RfsdParseFilesystemTree(
IN PRFSD_VCB Vcb,
IN PRFSD_KEY_IN_MEMORY Key, // Key to search for.
- IN ULONG StartingBlockNumber, // Block number of an internal or leaf node, to start the search from
+ IN ULONG StartingBlockNumber, // Block number of an internal or leaf node, to start the search from
IN RFSD_CALLBACK(fpDirectoryCallback), // A function ptr to trigger on hitting a matching leaf block
IN PVOID Context
);
NTSTATUS
_NavigateToLeafNode(
IN PRFSD_VCB Vcb,
- IN PRFSD_KEY_IN_MEMORY Key,
- IN ULONG StartingBlockNumber,
+ IN PRFSD_KEY_IN_MEMORY Key,
+ IN ULONG StartingBlockNumber,
OUT PULONG out_NextBlockNumber,
IN BOOLEAN ReturnOnFirstMatch,
IN RFSD_KEY_COMPARISON (*fpComparisonFunction)(PRFSD_KEY_IN_MEMORY, PRFSD_KEY_IN_MEMORY),
RFSD_CALLBACK(fpDirectoryCallback),
- IN PVOID pContext
+ IN PVOID pContext
);
PUNICODE_STRING FileName);
BOOLEAN
-RfsdGetFullFileName( PRFSD_MCB Mcb,
+RfsdGetFullFileName( PRFSD_MCB Mcb,
PUNICODE_STRING FileName);
VOID
BOOLEAN
RfsdDeleteMcbNode(
- PRFSD_VCB Vcb,
+ PRFSD_VCB Vcb,
PRFSD_MCB McbTree,
PRFSD_MCB RfsdMcb);
NTSTATUS
RfsdInitializeVcb(
- PRFSD_IRP_CONTEXT IrpContext,
- PRFSD_VCB Vcb,
+ PRFSD_IRP_CONTEXT IrpContext,
+ PRFSD_VCB Vcb,
PRFSD_SUPER_BLOCK RfsdSb,
PDEVICE_OBJECT TargetDevice,
PDEVICE_OBJECT VolumeDevice,
// Read.c
//
-BOOLEAN
+BOOLEAN
RfsdCopyRead(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
projects / reactos.git / blobdiff